新型平流层飞艇定点热特性研究

doi:10.3901/JME.2018.18.154

机械工程学报 ›› 2018, Vol. 54 ›› Issue (18): 154-161.doi: 10.3901/JME.2018.18.154

• 可再生能源与工程热物理 • 上一篇下一篇

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新型平流层飞艇定点热特性研究

施红¹, 张彤², 高志刚¹, 裴后举², 冯毅³, 钱晓辉², 沈九兵¹, 丁媛媛²

1. 江苏科技大学能源与动力学院镇江 212003;
2. 南京航空航天大学航空宇航学院南京 210016;
3. 中国舰船研究设计中心武汉 430064

收稿日期:2017-10-20 修回日期:2018-03-05 出版日期:2018-09-20 发布日期:2018-09-20
通讯作者: 施红(通信作者),女,1984年出生,讲师。主要研究方向为飞行器环境控制、强化传热。E-mail:shihong@nuaa.edu.cn

Study on Thermal Performance of the New Stratospheric Airship in Floating Process

SHI Hong¹, ZHANG Tong², GAO Zhigang¹, PEI Houju², FENG Yi³, QIAN Xiaohui², SHEN Jiubing¹, DING Yuanyuan²

1. College of Energy and Power Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003;
2. College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016;
3. China Ship Development and Design Center, Wuhan 430064

Received:2017-10-20 Revised:2018-03-05 Online:2018-09-20 Published:2018-09-20

摘要/Abstract

摘要： 提出一种新型的飞艇定点调节方案，并对该方案的定点调节模型进行静力学和热力学建模。在此基础上基于龙哥库塔法对所建立的模型进行计算，获得飞艇外膜、主氦气及副氦气温度变化曲线，并研究了日照时间、季节对上述结果的影响。研究结果表明：在定点过程中膜的温度、主氦气温度、副氦气温度随时间变化呈先增大，然后减小的趋势，其中膜的温度最低，主氦气温度和副氦气温度较为接近，三者温度都在13点左右达到最大值。同时，冬至日时，三者的温度都较夏至日时温度低，且三者的温差更大。不同纬度下膜的温度、主氦气温度、超压氦气温度变化趋势大体相同，随着纬度的增大，膜的温度、主氦气温度、超压氦气温度变化时长随纬度的增大而增大，但温度最大值随纬度的增大略微下降，这与不同纬度下太阳辐射强度的变化一致。同时，超压氦气最小质量随纬度的增大而增大，但增大幅度较小。进一步，纬度相对于季节来说对上述温度的影响较小。该研究结果对飞艇的定点飞行控制及热性能研究提供了技术参考。

关键词: 定点, 氦气囊, 平流层飞艇, 热特性, 数值模拟

Abstract: A new fixed-point adjustment method of airship is proposed. Static and thermodynamic model of the fixed-point adjustment method is also developed. On this basis, the model is solved by the Runge-Kutta method. In the result, the temperature performance of the helium bag, vice helium bag and outer membrane of the airship are obtained, and the influences of sunshine time and seasons on the above results are conducted. The results show that the temperature of these parts on the airship increase first, and then decrease, in which the temperature of the membrane is the lowest, the temperature of the helium bag and the vice helium bag are relatively close, and the three temperatures reach the maximum at about 13h. On the winter day, the temperatures of the three parts of the airship are lower than that on the summer day, and the temperature differences between each other are greater. At different latitudes, the changing trend of the temperature of the helium bag, vice helium bag and outer membrane are the same. With the increase of latitude, the temperature of the helium bag, vice helium and bag outer membrane increase, but the maximum temperature decreases with the increase of latitude which is consistent with the solar radiation intensity at different latitudes. At the same time, the minimum mass of the pressurized helium increases with the increase of latitude, but the increment is little. Further, the temperature is less affected by the latitude relative to the seasons. The results provide a technical reference for the fixed-point flight control and the research on the thermal performance of the airship.

Key words: floating, helium bag, numerical simulation, the stratosphere airship, thermal performance

中图分类号:

施红, 张彤, 高志刚, 裴后举, 冯毅, 钱晓辉, 沈九兵, 丁媛媛. 新型平流层飞艇定点热特性研究[J]. 机械工程学报, 2018, 54(18): 154-161.

SHI Hong, ZHANG Tong, GAO Zhigang, PEI Houju, FENG Yi, QIAN Xiaohui, SHEN Jiubing, DING Yuanyuan. Study on Thermal Performance of the New Stratospheric Airship in Floating Process[J]. Journal of Mechanical Engineering, 2018, 54(18): 154-161.

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新型平流层飞艇定点热特性研究

Study on Thermal Performance of the New Stratospheric Airship in Floating Process

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